568055565 has 64 divisors (see below), whose sum is σ = 1259089920. Its totient is φ = 236070720.

The previous prime is 568055539. The next prime is 568055573. The reversal of 568055565 is 565550865.

568055565 is a `hidden beast` number, since 5 + 6 + 80 + 5 + 5 + 565 = 666.

It is not a de Polignac number, because 568055565 - 2⁷ = 568055437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 568055565.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16929 + ... + 37718.

It is an arithmetic number, because the mean of its divisors is an integer number (19673280).

Almost surely, 2^568055565 is an apocalyptic number.

568055565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

568055565 is an abundant number, since it is smaller than the sum of its proper divisors (691034355).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

568055565 is a wasteful number, since it uses less digits than its factorization.

568055565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54679 (or 54673 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 45.

The square root of 568055565 is about 23833.9162749222. The cubic root of 568055565 is about 828.1905542315.

The spelling of 568055565 in words is "five hundred sixty-eight million, fifty-five thousand, five hundred sixty-five".